The interval includes a higher-grade 45-metre interval of 1.18% copper, 1.01 g/t gold and 4 g/t silver (2.13% copper-equivalent) from 401 metres.

The new optimizer stabilizes the effect of upstream process variations, provides tools for improved process control and reduces the need for manual intervention.

Company said these gold occurrences are similar to New Found Gold’s recent discovery.

India had offered a range of financial incentives to attract investment, but foreign firms have shunned the auctions.

Gold output rose 38% to 313,725 ounces compared with 226,632 ounces quarter-on-quarter.

The take-private deal is subject to court approval and a shareholder vote in December or early January.

Diamond exports from the world's second-biggest producer dropped 42% in the first nine months.